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Thickness gauge A beta source is put on one side of a sheet of material and a Geiger counter on the other.
This is used for dating wood, bones, Egyptian mummys, the Dead Sea scrolls, old paintings etc. Used in testing blood flow, tracking underground streams and following the movement of silt in rivers 3.
The scrolls have traditionally been identified with the ancient Jewish sect called the Essenes, although some recent interpretations have challenged this association and argue that the scrolls were penned by priests in Jerusalem, Zadokites, or other unknown Jewish groups.
The Dead Sea Scrolls were discovered in a series of eleven caves around the site known as Wadi Qumran near the Dead Sea in the West Bank (of the Jordan River) between 19 by Bedouin shepherds and a team of archeologists.You can use Power to find and download example online Power Point ppt presentations on just about any topic you can imagine so you can learn how to improve your own slides and presentations for free.Or use it to find and download high-quality how-to Power Point ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free.Medical uses of radioisotopes These fall into two main sections:(i) diagnostic where the radiation is used to locate a problem(ii) therapeutic where the radiation is used to treat a problem(a) Gamma radiation from Cobalt 60 has been found to be very useful in the treatment of some types of cancer(b) Syringes and other medical equipment can be sterilised using gamma radiation(c) Certain radioisotopes called tracers will concentrate in specific organs for analysis for example iodine 131 in the thyroid and technetium 99 in the brain, lungs, and red blood cells and can then be used to diagnose defects(d) Iodine 131 is also used to treat thyroid cancer (it has a half life of just over 8 days)(e) Iodine 123 (half life 13 hours) is also injected into a patient where it concentrates in some organs and the gamma radiation emitted by the source is scanned with a camera."We are privileged to house in the Israel Museum's Shrine of the Book the best preserved and most complete Dead Sea Scrolls ever discovered,” said James S.(You can choose whether to allow people to download your original Power Point presentations and photo slideshows for a fee or free or not at all.) Check out Power today - for FREE. Or use it to upload your own Power Point slides so you can share them with your teachers, class, students, bosses, employees, customers, potential investors or the world.